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I recently examined a popular open source medical records system named OpenEMR. A quick review of the app uncovered a SQL Injection vulnerability in the application, that would allow an attacker to execute their own SQL commands against the system. The attack is relatively textbook and its detection and exploitation are outlined below. Firstly, a description of the product: Profile: OpenEMRis a medical practice management software which also supports Electronic Medical Records (EMR). It is ONC Complete Ambulatory EHR certified and it features fully integrated electronic medical records, practice management for a medical practice, scheduling and electronic billing.

The server side is written in PHP and can be employed in conjunction with a LAMP "stack", though any operating systems with PHP-support are also supported....In the US, it has been estimated that there are more than 5,000 installations of OpenEMR in physician offices and other small healthcare facilities serving more…